package base.test3.partition;

import org.apache.hadoop.io.LongWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Mapper;

import java.io.IOException;

public class FlowMapper extends Mapper<LongWritable,Text,Text, FlowBean> {

    private Text outK = new Text();
    private FlowBean outV = new FlowBean();


    @Override
    protected void map(LongWritable key,Text value,Context context) throws IOException, InterruptedException {

        //获取一行数据，转成字符串
        String line = value.toString();

        //分割数据
        String[] split = line.split("\t");

        //抓取需要的数据：手机号，上行流量，下行流量
        String phone = split[1];
        String up = split[split.length-3];
        String down = split[split.length-2];

        //封装outK outV
        outK.set(phone);

        outV.setUpFlow(Long.parseLong(up));
        outV.setDownFlow(Long.parseLong(down));


        //输出
        context.write(outK,outV);

    }
}
